#tab{
    text-align: center;
    vertical-align:middle;
    background-color: white;
    width: 100%;
}
input,#tab,button,select {
    opacity:0.5;
}
body{
    background-image:url("../img/timg.jpeg");
    background-repeat:no-repeat;
    background-size: cover;}
#box{
    margin:0 auto;
    width:100%;
}
#dataSource{
    height: 35px;
    width: 165px;
}
#head{
    width: 100%;
    height: 80px;
    padding-top: 50px;
}